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Johnson County Antique Machinery Association
Farm Stock Tractor Pull Rules (out of the field)
10,500lb non-turbo, 12,000lb & 14,000lb Turbo Classes
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Tractors entered in Farm Stock (out of the field) classes must comply with all general
rules and must maintain safe operation of their tractors on and off the track.
All drivers must have a legal driver’s license. No one under the age of 16 will be
permitted to pull. All drivers must sign an insurance waiver.
Each tractor must look standard for its year and must have working tach, PTO,
hydraulics, rock shaft, lift arms, drawbar & cast wheels for those that came from factory
with cast wheels.
Tractors cannot have electric pusher pumps, no added propane, H2O or Nitrous.
Tractors cannot run over 3,000 RPM & cannot run over 6 MPH.
Tire size limit:
o 10,500lb: 18.4x38 max.
o 12,000lb & 14,000lb: 20.8x38 or 18.4x42 max.
No cut tires permitted.
No curved exhaust stacks.
Drivers who exceed 6 MPH after the 100’ mark – horn will sound & driver will be
disqualified. Must STOP when flagged by track official.
Maximum drawbar height is 20” to top of hook point. 18” from the center of the axle to
the hitch point. Must have a minimum of a 3” hole. A suitable clevis will be allowed on
tractors with stock drawbars.
There are to be no weights above the hitch point.
No one will be allowed to crawl under tractor to hook chain.
Tractors will have the ability to stop within 75’ on the track & come back to the start for
one additional attempt only.
Track official will stop the pull for any tractor that has the front end at an unsafe
elevated level. Track officials decision will be final.
If a tractor touches the track side boundary line during the pull it will be disqualified.
Any part or weight that falls off a tractor during a pull will result in a disqualification.
All tractors are required to weigh before they pull.
When tractors are pulling or in motion on the track no one is permitted on the track
except officials & track staff.
12,000lb & 14,000lb farm stock tractors are only to have one factory turbo charger.
No 4-wheel drive, No front wheel assist, No rear duals.
No use of alcoholic beverages, controlled substances or unsportsmanlike conduct will be
permitted.
Anyone complaining, harassing or being disrespectful at the registration table, scales or
with other staff will be asked to leave. Entry fees will be forfeited. No refunds.
Not responsible for accidents or injuries.
Farm Stock Tractor Pull Rules
10,500lb at max 10 MPH - 12,000lb at max 12 MPH - 14,000lb at max 12 MPH
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Tractors entered in the Farm Stock MPH classes must comply with all general rules and
must maintain safe operation of their tractors on and off the track.
All drivers must have a legal driver’s license. No one under the age of 16 will be
permitted to pull. All drivers must sign an insurance waiver.
Tractors cannot run over 3,000 RPM. 10,500lb not to exceed 10 MPH & 12,000lb –
14,000lb not to exceed 12 MPH.
Tire size limit:
o 10,500lb, 12,000lb & 14,000lb: 20.8x38 or 18.4x42 max.
Must have factory rail frames. No tube frame configurations.
No front cut or full cut tires permitted.
No curved exhaust stacks.
Drivers have to the 125’ mark to maintain permitted MPH. If exceeded horn will sound
& driver will be disqualified. Must STOP when flagged by track official.
Maximum drawbar height is 20” to top of hook point. 18” from the center of the axle to
the hitch point. Must have a minimum of a 3” hole. A suitable clevis will be allowed on
tractors with stock drawbars.
Tip bars & air shut off suggested but not mandatory.
No narrow front ends.
There are to be no weights above the hitch point.
No one will be allowed to crawl under tractor to hook chain.
Tractors will have the ability to stop within 75’ on the track & come back to the start for
one additional attempt only.
Track official will stop the pull for any tractor that has the front end at an unsafe
elevated level. Track officials decision will be final.
If a tractor touches the track side boundary line during the pull it will be disqualified.
Any part or weight that falls off a tractor during a pull will result in a disqualification.
All tractors are required to weigh before they pull.
When tractors are pulling or in motion on the track no one is permitted on the track
except officials & track staff.
No 4-wheel drive, No front wheel assist, No rear duals.
No use of alcoholic beverages, controlled substances or unsportsmanlike conduct will be
permitted.
Anyone complaining, harassing or being disrespectful at the registration table, scales or
with other staff will be asked to leave. Entry fees will be forfeited. No refunds.
Not responsible for accidents or injuries.